Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

This shop specializes in oddities and Victorian-inspired wonders.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Race through the maze, get your name on the sign.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A multimedia experience that chronicles the atrocities of racism.

A popular winter vacation destination for migrating monarch butterflies.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

Rusty industrial city full of oxidized distillation towers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

Giant, friendly pelicans in Central London, the most unlikely of places.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Abstract dinosaur models in London.

The 10,000 Torii shrine.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.